Bromide enlarging and contact printing : how to do it (1892)
Dresser, A. R · London : Fry Manufacturing Co. · leaf 25
THE TECHNIQUE OF EXPOSURE. 1 3' and I therefore recommend the reader to adopt that method^ in its entirety, which I repeat for his benefit, with such slight modifications as are required by the different process.^ For this purpose a board marked in feet and inches, and fitted at one end with a… … A. — Gas burner. B. — Piinting frame, C. — Board marked off in divisions, should be so arranged as to be capable of connection to a gas-pipe by means of an india-rubber tube, or, if a paraffim lamp be used, the place where the lamp is to stand should be marked. All that is necessary is to mark upon…
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
